HMC841LC4B
v04.0914
43 Gbps, D-TYPE FLIP-FLOP
w/ PROGRAMMABLE OUTPUT VOLTAGE
Typical Applications
The HMC841LC4B is ideal for:
Features
Supports Data Rates up to 43 Gbps
Low Power Consumption: 630 mW
Fast Rise and Fall Times: 12/12 ps
Single Ended or Differential Operation
Adjustable Differential Output
Voltage Swing: 200 - 850 mVp-p
24 Lead 4x4mm SMT Package: 16mm
2
HIGH SPEED LOGIC - SMT
• OC-768 and SDH STM-256 Equipment
• RF ATE Applications
• Serial Data Transmission up to 43 Gbps
• Digital Logic Systems up to 43 Gbps
• Broadband Test & Measurement
Functional Diagram
General Description
The HMC841LC4B is a D-type Flip Flop designed to
support data transmission rates of up to 43 Gbps, and
clock frequencies as high as 43 GHz. During normal
operation, data is transferred to the outputs on the
positive edge of the clock. Reversing the clock inputs
allows for negative-edge triggered applications. The
HMC841LC4B also features an output level control pin,
VAC, which allows for loss compensation or for signal
level optimization.
All input signals to the HMC841LC4B are terminated
with 50 Ohms to ground on-chip, and maybe either
AC or DC coupled. The differential outputs of the
HMC841LC4B may be either AC or DC coupled. Outputs
can be connected directly to a 50 Ohms-to-ground
terminated system, while DC blocking capacitors
should be used if the terminating system is 50 Ohms
to a non-ground DC voltage. The HMC841LC4B
operates from a single -3.3V DC supply and is available
in a ceramic RoHS compliant 4x4 mm SMT package.
Electrical Specifications,
T
A
= +25°C,
Vee
= -3.3V
Parameter
Power Supply Voltage
Power Supply Current
Output Amplitude Control Voltage VAC
Maximum Data Rate
Maximum Clock Rate
Input Amplitude (Data)
Single-ended, peak-to-peak
Differential, peak-to-peak
Input Amplitude (Clock)
Input High Voltage (Data & Clock)
Single-ended, peak-to-peak
Differential, peak-to-peak
[1]
Conditions
±5 % Tolerance
VAC = -0.3V
Min.
-3.47
160
-1.6
43
43
200
200
400
250
-0.5
Typ.
-3.3
190
-0.3
Max
-3.13
220
-0.1
Units
V
mA
V
Gbps
GHz
500
1000
800
1000
0.5
mVp-p
mVp-p
V
1
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery and to place orders: Hittite Microwave
other
For price, delivery, and to place orders: Analog Devices, Inc.,
Chelmsford, MA 01824
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or
Corporation, 2 Elizabeth Drive,
9106, Norwood, MA 02062-9106
One Technology Way, P.O. Box
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone:
Trademarks and registered trademarks are
Application Support: Phone: 978-250-3343 or hsl@hittite.com
1-800-ANALOG-D
the property of their respective owners.
HMC841LC4B
v04.0914
43 Gbps, D-TYPE FLIP-FLOP
w/ PROGRAMMABLE OUTPUT VOLTAGE
Electrical Specifications,
(continued)
Parameter
Input Low Voltage (Data & Clock)
Output Amplitude
Output High Voltage
Output Low Voltage
Input Return Loss
Output Return Loss
Deterministic Jitter, Jd
[2]
Additive Random Jitter Jr
[3]
Rise Time, tr
[2]
Fall Time, tf
[2]
Propagation Delay, td
Clock Phase Margin
Clock to output delay
@ 40 Gbps
Data input up to 25 GHz
Clock input up to 40 GHz
Data output up to 25 GHz
Differential, peak-to-peak @ 40 Gbps
Conditions
Min.
-1
200
VAC = -0.3
VAC = -0.3
-50
-550
10
6
10
2
0.2
12
12
10
270
Typ.
Max
0
850
Units
mVp-p
mV
mV
dB
dB
dB
ps, pp
ps rms
ps
ps
ps
deg
[1] VAC = VC2 on evaluation board.
[2] Clock Input: 40 GHz clock signal, 200 mVp-p single-ended, Data Input: 40 Gbps PRBS 2
23
-1 pattern, 200 mVp-p single-ended
[3] Random jitter is measured with 40 Gbps 10101… pattern
DC Current vs. Supply Voltage
[1] [2]
250
225
Differential Output Swing
vs. Supply Voltage
[1] [2]
1000
DIFFERENTIAL VOLTAGE (mVp-p)
DC CURRENT (mA)
900
200
+25C
+70C
-40C
175
800
150
125
+25C
+70C
-40C
700
100
-3.47
-3.41
-3.36
-3.3
-3.24
-3.19
-3.13
600
-3.47
-3.41
-3.36
-3.3
-3.24
-3.19
-3.13
SUPPLY VOLTAGE Vee (V)
SUPPLY VOLTAGE Vee (V)
DC Current vs. VAC
[2]
250
225
Differential Output Swing vs. VAC
[2]
1000
DIFFERENTIAL VOLTAGE (mVp-p)
800
DC CURRENT (mA)
200
600
175
400
150
+25C
+70C
-40C
+25C
+70C
-40C
125
200
100
-1.6
-1.3
-1
-0.7
-0.4
-0.1
0
-1.6
-1.3
-1
-0.7
-0.4
-0.1
CONTROL VOLTAGE VAC (V)
CONTROL VOLTAGE VAC (V)
[1] VAC = -0.3V
[2] Input data rate: 40 Gbps PRBS 2
23
-1
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery and to place orders: Hittite Microwave
other
For price, delivery, and to place orders: Analog Devices, Inc.,
Chelmsford, MA 01824
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or
Corporation, 2 Elizabeth Drive,
9106, Norwood, MA 02062-9106
One Technology Way, P.O. Box
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone:
Trademarks and registered trademarks are
Application Support: Phone: 978-250-3343 or hsl@hittite.com
1-800-ANALOG-D
the property of their respective owners.
HIGH SPEED LOGIC - SMT
2
V
HMC841LC4B
v04.0914
43 Gbps, D-TYPE FLIP-FLOP
w/ PROGRAMMABLE OUTPUT VOLTAGE
Rise Time vs. Supply Voltage
[1][2][3]
18
Fall Time vs. Supply Voltage
[1][2][3]
18
15
HIGH SPEED LOGIC - SMT
15
12
FALL TIME (ps)
RISE TIME (ps)
12
9
+25C
+70C
-40C
9
+25C
+70C
-40C
6
6
3
3
0
-3.47
-3.41
-3.36
-3.3
-3.24
-3.19
-3.13
0
-3.47
-3.41
-3.36
-3.3
-3.24
-3.19
-3.13
SUPPLY VOLTAGE Vee (V)
SUPPLY VOLTAGE Vee (V)
Rise / Fall Time vs. VAC
[1][2][3]
18
15
Peak-to-Peak Jitter vs. Supply Voltage
[1][2][3][4]
12
+25C
+70C
-40C
10
RISE/FALL TIME (ps)
12
P-P JITTER (ps)
-0.4
-0.1
8
9
Rise Time
Fall Time
6
6
4
3
2
0
-1.6
-1.3
-1
-0.7
0
-3.47
-3.41
-3.36
-3.3
-3.24
-3.19
-3.13
CONTROL VOLTAGE VAC (V)
SUPPLY VOLTAGE Vee (V)
Input Return Loss vs. Frequency
[1][5]
0
-5
RESPONSE (dB)
-10
-15
-20
-25
-30
Data
Clock
Output Return Loss vs. Frequency
[1][5]
0
-5
-10
RESPONSE (dB)
-15
-20
-25
-30
-35
50
-40
0
5
10
15
20
25
OUT
0
5
10
15
20
25
30
35
40
45
FREQUENCY (GHz)
FREQUENCY (GHz)
[1] VAC = -0.3V
[2] Input data rate: 40 Gbps PRBS 2
23
-1
[3] Data was taken at single ended output
[4] Source jitter was not deembeded
[5] Device measured on evaluation board with single-ended time domain gating.
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery and to place orders: Hittite Microwave
other
For price, delivery, and to place orders: Analog Devices, Inc.,
Chelmsford, MA 01824
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or
Corporation, 2 Elizabeth Drive,
9106, Norwood, MA 02062-9106
One Technology Way, P.O. Box
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone:
Trademarks and registered trademarks are
Application Support: Phone: 978-250-3343 or hsl@hittite.com
1-800-ANALOG-D
the property of their respective owners.
3
HMC841LC4B
v04.0914
43 Gbps, D-TYPE FLIP-FLOP
w/ PROGRAMMABLE OUTPUT VOLTAGE
40 Gbps Differential Output Eye Diagram
Measurements
Current
Eye Amp
Rise Time
Fall Time
p-p jitter
774 mV
11.78 ps
11.78 ps
3.333 ps
Minimum
772 mV
10.56 ps
10.56 ps
2.889 ps
Maximum
774 mV
12.00 ps
12.00 ps
3.556 ps
42
42
42
42
Time Scale: 10 ps/div
Amplitude Scale: 200 mV/div
Test Conditions:
Vee = -3.3V, VAC = -0.3V
Data Input: Single-ended 150 mVp-p 40 Gbps NRZ PRBS 2
23
-1
pattern
Clock Input: Single-ended 150 mVp-p 40 GHz clock signal
Timing Diagram
tc =
I
fclock
tc - t
SH
tc
t
SH
= Setup and Hold Time
CPM = Clock Phase Margin = 360°
Truth Table
Input
D
L
H
Notes:
D = DP - DN
C = CKP - CKN
Q = OUTP - OUTN
C
L -> H
L -> H
H - Logic High
L - Logic Low
Outputs
Q
L
H
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery and to place orders: Hittite Microwave
other
For price, delivery, and to place orders: Analog Devices, Inc.,
Chelmsford, MA 01824
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or
Corporation, 2 Elizabeth Drive,
9106, Norwood, MA 02062-9106
One Technology Way, P.O. Box
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone:
Trademarks and registered trademarks are
Application Support: Phone: 978-250-3343 or hsl@hittite.com
1-800-ANALOG-D
the property of their respective owners.
HIGH SPEED LOGIC - SMT
4
Total
Meas
HMC841LC4B
v04.0914
43 Gbps, D-TYPE FLIP-FLOP
w/ PROGRAMMABLE OUTPUT VOLTAGE
Absolute Maximum Ratings
Power Supply Voltage (Vee)
-3.7V to +0.5V
-1.3V to +0.5V
125°C
1.16 W
34.44 °C/W
-65°C to +125°C
-40°C to +70°C
-2.3V to +0.5V
HIGH SPEED LOGIC - SMT
Input Voltage
Channel Temperature
Continuous Pdiss (T = 85°C)
(derate 29.04 mW/°C above 85°C)
Thermal Resistance
(channel to ground paddle)
Storage Temperature
Operating Temperature
Output Amplitude
Control Voltage (VAC)
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: ALUMINA
2. LEAD AND GROUND PADDLE PLATING:
30-80 MICROINCHES GOLD OVER
50 MICROINCHES MINIMUM NICKEL.
3. DIMENSIONS ARE IN INCHES [MILLIMETERS].
4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm DATUM -C-
6. ALL GROUND LEADS AND GROUND PADDLE
MUST BE SOLDERED TO PCB RF GROUND.
Package Information
Part Number
HMC841LC4B
Package Body Material
Alumina, White
Lead Finish
Gold over Nickel
MSL Rating
MSL3
[1]
Package Marking
[2]
H841
XXXX
[1] Max peak reflow temperature of 260 °C
[2] 4-Digit lot number XXXX
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery and to place orders: Hittite Microwave
other
For price, delivery, and to place orders: Analog Devices, Inc.,
Chelmsford, MA 01824
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or
Corporation, 2 Elizabeth Drive,
9106, Norwood, MA 02062-9106
One Technology Way, P.O. Box
rights of third parties that may result from its use. Specifications subject to change without notice. No
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Phone: 781-329-4700 • Order online at www.analog.com
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Application Support: Phone:
Trademarks and registered trademarks are
Application Support: Phone: 978-250-3343 or hsl@hittite.com
1-800-ANALOG-D
the property of their respective owners.
5
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